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1. Enthalpy: In thermodynamics, enthalpy is the sum of the internal energy U and the product of pressure p and volume V of a system, The characteristic function (also known as thermodynamic potential) "enthalpy" used to be called "heat contents", which is ... [100%] 2023-01-27
2. Enthalpy: Enthalpy /ˈɛnθəlpi/ (listen), a property of a thermodynamic system, is the sum of the system's internal energy and the product of its pressure and volume. It is a state function used in many measurements in chemical, biological, and physical ... (Physics) [100%] 2023-11-12 [Enthalpy] [State functions]...
3. Enthalpy: Bose-Einstein ·Fermi-Dirac Parastatistics · Anyonic statistics Braid statistics In thermodynamics and molecular chemistry, the enthalpy or heat content (denoted as H, h, or rarely as χ) is a quotient or description of thermodynamic potential of a system, which can be ... [100%] 2023-02-03
4. Enthalpy of vaporization: The enthalpy of vaporization, (symbol \Delta{}_{v}H), also known as the heat of vaporization or heat of evaporation, is the energy required to transform a given quantity of a substance into a gas. It is measured at the ... [57%] 2023-05-14 [Chemical properties] [Thermodynamics]...
5. Enthalpy of mixing: In thermodynamics, the enthalpy of mixing (also heat of mixing and excess enthalpy) is the enthalpy liberated or absorbed from a substance upon mixing. When a substance or compound is combined with any other substance or compound, the enthalpy of ... (Physics) [57%] 2024-01-03 [Enthalpy]
6. Enthalpy of neutralization: In chemistry and thermodynamics, the enthalpy of neutralization (ΔHn) is the change in enthalpy that occurs when one equivalent of an acid and a base undergo a neutralization reaction to form water and a salt. It is a special case ... (Physics) [57%] 2023-12-31 [Enthalpy] [Thermochemistry]...
7. Enthalpy of vaporization: In thermodynamics, the enthalpy of vaporization (symbol ∆Hvap), also known as the (latent) heat of vaporization or heat of evaporation, is the amount of energy (enthalpy) that must be added to a liquid substance to transform a quantity of that ... (Physics) [57%] 2023-06-30 [Enthalpy]
8. Enthalpy of neutralization: In chemistry and thermodynamics, the enthalpy of neutralization (ΔHn) is the change in enthalpy that occurs when one equivalent of an acid and a base undergo a neutralization reaction to form water and a salt. It is a special case ... (Change in enthalpy during an acid-base reaction) [57%] 2024-02-15 [Enthalpy] [Thermochemistry]...
9. Enthalpy of atomization: In chemistry, the enthalpy of atomization (also atomisation in British English) is the enthalpy change that accompanies the total separation of all atoms in a chemical substance (either an element or a compound). This is often represented by the symbol ... (Physics) [57%] 2023-05-08 [Enthalpy]
10. Enthalpy of fusion: In thermodynamics, the enthalpy of fusion of a substance, also known as (latent) heat of fusion, is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from ... (Physics) [57%] 2024-08-26 [Enthalpy]
11. Enthalpy of sublimation: In thermodynamics, the enthalpy of sublimation, or heat of sublimation, is the heat required to sublimate (change from solid to gas) one mole of a substance at a given combination of temperature and pressure, usually standard temperature and pressure (STP ... (Physics) [57%] 2024-08-26 [Enthalpy]
12. Enthalpy change of solution: In thermochemistry, the enthalpy of solution (heat of solution or enthalpy of solvation) is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution. The enthalpy of solution is most ... (Change in enthalpy from dissolving a substance) [50%] 2023-07-19 [Solutions] [Enthalpy]...
13. Enthalpy change of solution: Beraba is a genus of beetles in the family Cerambycidae, containing the following species: Wikidata ☰ Q4890958 entry. (Physics) [50%] 2024-02-25 [Solutions] [Enthalpy]...
14. Stagnation enthalpy: In thermodynamics and fluid mechanics, the stagnation enthalpy of a fluid is the static enthalpy of the fluid at a stagnation point. The stagnation enthalpy is also called total enthalpy. [70%] 2023-12-30 [Fluid dynamics] [Enthalpy]...
15. Stagnation enthalpy: In thermodynamics and fluid mechanics, the stagnation enthalpy of a fluid is the static enthalpy of the fluid at a stagnation point. The stagnation enthalpy is also called total enthalpy. (Physics) [70%] 2024-01-13 [Fluid dynamics] [Enthalpy]...
16. Enthalpy–entropy chart: An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, describing the enthalpy of a thermodynamic system. A typical chart covers a pressure range of 0.01–1000 bar, and ... [57%] 2023-07-06 [Thermodynamics] [Entropy]...
17. Enthalpy–entropy compensation: Enthalpy–entropy compensation is a specific example of the compensation effect. The compensation effect refers to the behavior of a series of closely related chemical reactions (e.g., reactants in different solvents or reactants differing only in a single substituent ... (Physics) [57%] 2022-07-11 [Thermodynamics] [Chemical thermodynamics]...
18. Enthalpy–entropy chart: An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, describing the enthalpy of a thermodynamic system. A typical chart covers a pressure range of 0.01–1000 bar, and ... (Physics) [57%] 2024-12-23 [Thermodynamics] [Entropy]...
19. Standard enthalpy of formation: The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements, with all substances in their standard states. The standard ... (Physics) [50%] 2022-04-20 [Enthalpy] [Thermochemistry]...
20. Standard enthalpy of reaction: The standard enthalpy of reaction (denoted \displaystyle{ \Delta H_{\text {reaction}}^\ominus }[/math]) for a chemical reaction is the difference between total product and total reactant molar enthalpies, calculated for substances in their standard states. The value can be approximately ... (Physics) [50%] 2024-08-26 [Enthalpy] [Thermochemistry]...
21. High-Enthalpy Arc Heated Facility: The High-Enthalpy Arc-Heated Facilities at Arnold Engineering Development Complex provide aerothermal ground test simulations of hypersonic flight over a wide range of velocities and pressure altitudes in support of materials and structures development. The facility is composed of ... [44%] 2023-05-16 [Electric arcs]
22. PHEDRA (Arc-jet) high enthalpy wind tunnel: The PHEDRA High Enthalpy low density Wind Tunnel, located at the ICARE Laboratory in Orléans, France, is a research facility used extensively for fundamental and applied research on non equilibrium plasma flows and planetary atmospheric entries. Its name is an ... (Arc-jet) [37%] 2022-11-07 [Wind tunnels]